Weather in Hamadan

Planning your time in Hamadan? In this section, you will find the most up-to-date weather information, including detailed forecasts and visual charts to help you be prepared for any changes.

The climate in Hamadan is characterized as continental, with distinct seasons and significant temperature fluctuations throughout the year. The city experiences cold winters and hot, dry summers, which is typical for this region of Iran. Travelers should be prepared for noticeable changes in weather conditions depending on the time of year.

Summer months, especially from June to September, are very hot and arid in Hamadan. Average maximum temperatures in July and August rise above 30°C, and rainfall during this period is close to zero. Winters, conversely, are cold, with average temperatures around 0°C in January and frequent frosts. During winter months, a small amount of precipitation falls, mainly as snow or rain, with approximately 10 rainy or snowy days per month.

Spring (March-May) and autumn (October-November) are transitional seasons. In spring, temperatures gradually rise, while the probability of precipitation remains, especially in March and April. Autumn sees gradual cooling, and by November, more frequent precipitation returns. Overall, Hamadan is characterized by a low total amount of precipitation, with the driest period occurring in summer.

The climate in Hamadan is characterized by significant annual temperature fluctuations. The hottest months are typically July and August, when the average temperature reaches 26.4°C and 25.7°C respectively, and maximum values can rise up to 34.1°C. The coldest month is January, with an average temperature of around -0.2°C and minimums dropping to -5.1°C, indicating freezing weather.

The summer period in Hamadan is distinguished by hot and dry weather. From June to September, daytime temperatures steadily hold above 29°C, peaking in July (average maximum 34.1°C) and August (average maximum 33.2°C). Precipitation is practically absent during these months, indicating dry heat. Nights bring some relief but remain warm, with minimum temperatures in the 15-18°C range.

Winter in Hamadan is quite cold. From December to February, average daytime temperatures range from 4.7°C to 7.5°C, while nighttime temperatures regularly drop below freezing, especially in January (average minimum -5.1°C) and February (average minimum -3.9°C). Hamadan is characterized by noticeable diurnal temperature variations throughout the year. For example, in July, the difference between the average maximum (34.1°C) and average minimum (18.7°C) temperatures is more than 15 degrees, indicating significant air cooling at night.

Hamadan exhibits clearly defined seasonality in precipitation distribution throughout the year. The city is characterized by a long dry period and a wetter, yet moderate in terms of rainfall, cool season. Overall, the climate of Hamadan is quite dry, with a low total annual rainfall.

The highest amount of precipitation, although quite insignificant, falls from late autumn to mid-spring. The months of February, March, and April register the maximum average precipitation – about 2 mm each. Meanwhile, March stands out with the highest number of days with precipitation (an average of 12 days). Given the low average temperatures in winter months such as January (average temperature -0.2°C, 10 days with precipitation, 1 mm) and February (average temperature 1.2°C, 10 days with precipitation, 2 mm), as well as freezing minimum temperatures, it is highly likely that precipitation at this time falls mainly as snow or sleet. In spring, as it warms up, precipitation usually transitions to light rain.

The summer months – June, July, August, and September – are almost completely dry, with zero precipitation and a minimal number of wet days (from 0 to 2 days in June). October also remains very dry with 0 mm of precipitation, although it counts about 4 days when minor precipitation or traces of moisture may be observed. Even in the "wetter" months of the cold half of the year, such as January, May, November, and December, total precipitation does not exceed 1 mm, distributed over 6-10 days. This indicates that Hamadan is characterized by frequent but extremely low-volume precipitation during the cool season.

When planning a trip to Hamadan, it is important to consider significant seasonal weather fluctuations. In winter (December to February), it is quite cold here; average temperatures hover around 0°C, and nighttime temperatures can drop to -5°C. Precipitation is possible during this period, and the number of wet days reaches 10 per month. Therefore, your suitcase must include warm layered clothing: thermal underwear, sweaters, a warm jacket or coat, a hat, a scarf, and gloves. Waterproof outerwear and footwear will also be very useful.

Spring (March to May) and autumn (October-November) in Hamadan are transitional seasons with moderate temperatures. In spring, the temperature gradually rises from 6°C to 16°C, and in autumn, it drops from 14°C to 6°C. Precipitation is also likely during these months, especially in March-May and November (up to 10-12 wet days). It is recommended to bring clothes that are easy to mix and match: a light jacket, jumpers, and long-sleeved t-shirts. An umbrella or a light raincoat will come in handy for rainy days. Summer (June to September) in Hamadan is hot and dry, with average temperatures reaching 23-26°C, and maximums exceeding 30°C. There is virtually no precipitation during this period. For summer months, choose light, breathable clothing made from natural fabrics such as cotton or linen. Be sure to bring sunscreen, sunglasses, and a hat for sun protection.

Regardless of the season, for walking around Hamadan, you will need comfortable walking shoes. The principle of layering clothing will be useful year-round, as it allows you to easily adapt to temperature changes throughout the day. Also, do not forget to take a personal first aid kit and necessary medications. Considering the cultural aspects of Iran, it is recommended to choose clothing that complies with local norms and traditions.